Severe Severe Storm ● Closed
Special Marine Warning issued September 7 at 5:55AM CDT until September 7 at 7:30AM CDT by NWS New Orleans LA, United States of America
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SMWLIX
The National Weather Service in New Orleans has issued a
* Special Marine Warning for...
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm...
Coastal waters from the Southwest Pass of the Mississippi River to
Port Fourchon Louisiana out 20 NM...
* Until 730 AM CDT.
* At 555 AM CDT, a cluster of severe thunderstorms capable of
producing waterspouts was located 8 nm east of Southwest Pass Of
the Mississippi River, moving southwest at 10 knots.
HAZARD...Waterspouts and wind gusts 34 knots or greater.
SOURCE...Radar.
IMPACT...Waterspouts can quickly form and capsize boats...damage
vessels and oil rigs...and create suddenly higher waves.
Small craft could be damaged in briefly higher winds and
suddenly higher waves.
* Locations impacted include...
Southwest Pass Of the Mississippi River.
Measurements
| Coordinates | 28.8183, -89.3750 |
|---|---|
| Region | Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM; Coastal Waters from Boothville LA to Southwest Pass o |
| Location Precision | polygon |
| Issuing Authority | United States of America — us-noaa-nws-en-marine |
| Cap Urgency | Immediate |
| Cap Certainty | Likely |
| Cap Expires | 2026-09-07T07:30:00-05:00 |
Official source
Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.
This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.
Severity as published by WMO Alert Hub (national weather services).
View original reportThis event as JSON · API and licence
Source updated 42 days ago (Sep 7, 2026 10:56 UTC) · we last heard from WMO Alert Hub (national weather services) 18 seconds ago
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